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implement most of relative syntax in theme rectangles

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This commit is contained in:
Yann Dirson 2004-11-26 07:14:53 +00:00
parent 44bb4fa11d
commit b3cec8b62e
1 changed files with 18 additions and 4 deletions
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22
src/theme.cpp
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@ -18,21 +18,35 @@ namespace {
const size_t DefaultFontSize = font::SIZE_NORMAL;
size_t compute(std::string expr, size_t ref1, size_t ref2=0 ) {
size_t ref = 0;
if (expr[0] == '=') {
ref = ref1;
expr = expr.substr(1);
} else if ((expr[0] == '+') || (expr[0] == '-')) {
ref = ref2;
}
return ref + atoi(expr.c_str());
}
SDL_Rect read_rect(const config& cfg) {
SDL_Rect rect;
static SDL_Rect ref_rect = empty_rect;
const std::vector<std::string> items = config::split(cfg["rect"].c_str());
if(items.size() >= 1)
rect.x = atoi(items[0].c_str());
rect.x = compute(items[0], ref_rect.x, ref_rect.x+ref_rect.w);
if(items.size() >= 2)
rect.y = atoi(items[1].c_str());
rect.y = compute(items[1], ref_rect.y, ref_rect.y+ref_rect.h);
if(items.size() >= 3)
rect.w = atoi(items[2].c_str()) - rect.x;
rect.w = compute(items[2], ref_rect.x+ref_rect.w, rect.x) - rect.x;
if(items.size() >= 4)
rect.h = atoi(items[3].c_str()) - rect.y;
rect.h = compute(items[3], ref_rect.y+ref_rect.h, rect.y) - rect.y;
ref_rect = rect;
return rect;
}
}